Thanks for the heads up 是較常見的用法。
這兩個表達方式含義相同，都是用來感謝別人讓他們知道現在或將來的一個事實或情況。 "Thanks for the heads up"是更常見的口語表達。 "Thanks for a heads up"不太常用，但在特定情況下可以根據上下文來使用。
搜尋結果約有 3,044,979 筆
Thanks for the heads-up, Earl.
Okay, thanks for the heads-up about the meeting.
Thanks for the heads-up last night, Janet. It gave me some time to plan my night.
Thanks for the heads up, Artie. See you at the softball game on Friday!
Sorry I missed your call, Mr. Coleman, but thanks for the heads-up.
Although it could be too late to change plans, thanks for the heads up.
Thanks for the heads up. I haven't had time to fix myself up.
Thanks for the heads up on the credit card usage--I didn't know I had spent so much!
Thanks for the heads-up, by the way.
Thanks for the heads-up on the eyewitness who saw the redhead.
"Thanks for the heads up," said the man, after his friend told him that he had jury duty the following week.
搜尋結果約有 320,883 筆
Thanks for giving me a heads up on this project.
Okay,** thanks for a heads** up regarding the house inspection.
Thanks for giving me a heads up last night, Janet.
Can I give you a heads up on what she is going to ask you?
Sorry, Steve, you didn't give me a heads up on this matter earlier.
Thank you for giving my mom a heads up about the family gathering in advance. I appreciate it.
I gave you a heads up but you didn't listen and jumped in the frozen lake anyway.
Thanks for a heads-up on any future plans we might make.